'''
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License") you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http:#www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
'''


#import org.apache.jena.graph.TripleBoundary;

'''
 * An interface for expressing search boundaries in terms of bounding statements.
'''

from abc import ABC, abstractmethod

class StatementBoundary (ABC):
    '''
     * Answer true if this statement is a boundary of the search.
    '''
    # param Statement s
    # result boolean
    @abstractmethod
    def stopAt(self, s):
        pass

    '''
     * Answer a TripleBoundary corresponding to this StatementBoundary,
     * where Triples may be converted to Statements using <code>m</code>.
    '''
    # param Model m
    # result TripleBoundary
    @abstractmethod
    def asTripleBoundary(self, m):
        pass

